JSPM

Regular expression for matching JavaScript identifiers

Regular expression for matching JavaScript comments

Micro parser for detection of literal regexes

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

Generate JavaScript-compatible regular expressions based on a given set of Unicode symbols or code points.

A query library for ECMAScript AST using a CSS selector like query language.

Escapes special characters in a string, for matching substrings with a RegExp instance.

A source code transpiler that enables the use of ES2015 Unicode regular expressions in ES5.

serialize objects to javascript

Optimized and powerful regexes for JavaScript

JavaScript parser, mangler/compressor and beautifier toolkit

Parse code files and patch it without having to use an AST

Simple templating using a config.json and regex patterns

ESLint rules to disallow unsafe regular expressions.

Microsoft Azure SDK for JavaScript - Logger

Jest preset used by a MC application

Check if a string is a valid JavaScript identifier

A package to help you find out which of your `node_modules` aren't ES5 so you can add them to your transpilation steps.

🌈 Light, fast, and easy to use, dependencies free javascript syntax highlighter, with automatic language detection

Simulate react-select events for react-testing-library

JavaScript RegExp doesn't work with Unicode characters out of the box. This small package fixes this issue. This is \p{L} equalent extracted from XRegExp.

the acorn javascript parser, preloaded with plugins for syntax parity with recent node versions

Newline character converter

support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.

Web based JavaScript HTML WYSIWYG editor control.

0-Deps, simple, fast, for browser and node js object schema validator

zero config bundler for js/ts/jsx libraries

Language tag parser

Return the closest element matching a selector up the DOM tree

_@hutechwebsite/quas-iure-iste-magni_ offers a regular expression to match all emoji symbols and sequences (including textual representations of emoji) as per the Unicode Standard. It’s based on [_emoji-test-regex-pattern_](https://github.com/mathiasbynen

Flatfile embedded with vanilla javascript.

Analyze the JavaScript loaded by a website

Runtime library for TypeScript helper functions

An ESnext spec-compliant shim/polyfill/replacement for all Well-Known Symbols that works in any environment with Symbols.

Convert a Regular Expression from one flavour to another.

A collection of useful regular expressions.

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

Simple module to localize the strings of any JS based program using the same syntax used in the ReactLocalization and ReactNativeLocalization module, use 'npm run build' before publishing

A JavaScript parser

Multiline code search for every language. Structural code search for JavaScript, TypeScript, HTML and CSS

TypeScript is a language for application scale JavaScript development

Human-friendly process signals

Get and robustly cache all JS language-level intrinsics at first require time

A parser that converts TypeScript source code into an ESTree compatible form

Pattern matching for JavaScript

A library for code common to my various NodeJS/Browser projects.

A JavaScript text diff implementation.

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

An Esprima-compatible JavaScript parser built on Acorn

ECMAScript parsing infrastructure for multipurpose analysis

Simple module to localize the React interface using the same syntax used in the ReactNativeLocalization module

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

`Object.defineProperty`, but not IE 8's broken one.

An AST-based pattern checker for JavaScript.

A robust, ES3 compatible, "has own property" predicate.

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

Returns true if an object was created by the `Object` constructor, or Object.create(null).

Robustly `.call.bind()` a function

[](https://www.npmjs.org/package/url-pattern) [](https://travis-ci.org/osjwnpm/vero-officiis-ut/branche

An ESLint custom parser which leverages TypeScript ESTree

A simple cache for a few of the JS Error constructors.

ES Object-related atoms: Object, ToObject, RequireObjectCoercible

A prettier plugins to sort imports in provided RegEx order

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

Chai.js assertions for enzyme

ES2019 spec-compliant String.prototype.trimStart shim.

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

Set a function's length property

Is this value a JS SharedArrayBuffer?

ESLint JavaScript language implementation

ES2019 spec-compliant String.prototype.trimEnd shim.

Which kind of boxed JS primitive is this?

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.

A collection of common interactive command line user interfaces.

Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.

Unbox a boxed JS primitive value.

Simple, effective, functional pattern matcher

Is this value a JS ArrayBuffer?

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

ES spec-compliant shim for ArrayBuffer.prototype.slice

Get the byteOffset out of a DataView, robustly.

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

Is this an arguments object? It's a harder question than you think.

WebAssembly text format printer

Get the ArrayBuffer out of a DataView, robustly.

AST utils for webassemblyjs

WebAssembly binary format parser

Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Modified version of Nick Drewe's tc or sc checker.

Get the byteLength out of a DataView, robustly.

Stylish, intuitive and user-friendly prompt system. Fast and lightweight enough for small projects, powerful and extensible enough for the most advanced use cases.

Create custom ESLint rules based on code samples. Utilizing CodeQue - structural code search engine.

Spec-compliant polyfill for String.prototype.replaceAll ESnext proposal

Adds a comprehensive Camel-Case (and Pascal-Case) converter to the String's prototype

The fastest directory crawler & globbing alternative to glob, fast-glob, & tiny-glob. Crawls 1m files in < 1s

An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.

An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.


An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

Flow types for the Javascript AST

Inquirer core TS types

`Iterator.prototype`, or a shared object to use.

JavaScript library for DOM operations

Highly configurable, well-tested, JavaScript-based HTML minifier.

Based on @xmldom/xmldom with some minor enhancements. Add querySelector, querySelectorAll and match method to Document and Element.

Polyfill for Metadata Reflection API

Python-compatible regular expressions for TypeScript/JavaScript, mirroring Python's re/regex API.

Core Inquirer prompt API

Microsoft Azure SDK for JavaScript - Aborter

Tooling which enables you to use TypeScript with ESLint

ECMAScript extensions and shims

Vendored version of figures, for CJS compatibility

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

Inquirer confirm prompt

JavaScript utilities with respect to emerging standard

Determine whether an AST node is a reference

Jscrambler Code Integrity API client.

Bring your own TypeScript

An **EXPERIMENTAL** Webpack plugin to enable "Fast Refresh" (also previously known as _Hot Reloading_) for React components.

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

Generates CRC hashes for strings - for use by node redis clients to determine key slots.

Vue 3 CodeBlock - Highlight your code with ease using this syntax highlighting component powered by PrismJS or Highlight.js.

Use the :focus-visible pseudo-selector in CSS

A collection of implementation for ECMAScript abstract operations

Style elements relative to other elements in CSS

Airbnb's base JS ESLint config, following our styleguide

A collection of dgeni packages for generating documentation from source code

Inquirer prompts, combined in a single package

A webpack plugin to protect your generated bundle using Jscrambler Code Integrity

Fast, small, efficient JavaScript memoization lib to memoize JS functions

Javascript Redis protocol (RESP) parser

Error classes used in node_redis

A JavaScript (JS) Map or Similar object polyfill if Map is not available.

Simple module to localize the ReactNative interface

Inquirer select/list prompt

Inquirer checkbox prompt

Inquirer rawlist prompt

Inquirer password prompt

Inquirer input text prompt

Style form elements when they are empty

A JavaScript parser

Inquirer checkbox prompt

WebAssembly text format parser

Inquirer number prompt

Inquirer search prompt

Inquirer multiline editor prompt

Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.

Check if something can be an ecmascript (javascript) identifier name

Library to parse dependencies for Closure Library. Also includes a CLI to generate deps.js files for Closure Library's debug loader.

A lightweight carousel library with fluid motion and great swipe precision

npm package to remove all sensitive info from data passed

Strip line and/or block comments from a string. Blazing fast, and works with JavaScript, Sass, CSS, Less.js, and a number of other languages.

A lightweight carousel library with fluid motion and great swipe precision

Reactive utilities for Embla Carousel

Isomorphic client library for supporting long-running operations in node.js and browser.

Backbone model validator allows you to define validation rules for model and utilize it for model-standalone validation or bind its events to the view so you can display errors if needed.

Is the value an object or an array but not null?

Syntax highlights JavaScript code with ANSI colors to be printed to the terminal.

ELEN - Efficient Lexicographic Encoding of Numbers. For JavaScript.

Parses CSS inline style to JavaScript object (camelCased).

Polyfills the ResizeObserver API and supports box size options from the latest spec

Stripe VAT id handling

Like `extend` but only copies missing properties/values to the target object.

remark plugin to support MDX syntax

Airbnb's ESLint config, following our styleguide

Generate JavaScript-compatible regular expressions with chinese/jp/zh/cn

Escape strings for use as JavaScript string literals

A pure javascript JPEG encoder and decoder

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

Highly configurable, well-tested, JavaScript-based HTML minifier.

3D animated backgrounds for your website

Ένα JS package για node ή browser (με TypeScript types) με μεθόδους που διευκολύνουν την αναζήτηση ελληνικού κειμένου

Spectacular Test Runner for JavaScript.

Censor or highlight words and other patterns intelligently.

Is this value a JS regex?

Build and evaluate JavaScript strings safely via tagged template literals

Parses JavaScript objects into XML

Simple wrapper around javascript replace with CLI usage support!

Natural Sort algorithm for Javascript - Version 0.7 - Released under MIT license

Microsoft Azure Storage SDK for JavaScript - Blob

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`

micromark extension to support MDX or MDX.js JSX

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

An API documentation generator for JavaScript.

Option, Result, and Either types for JavaScript - Inspired by Rust

Tests if ES6 Symbol is supported.

esast (and estree) utility to visit nodes

unist utility to get a position from an estree node

micromark extension to support MDX JS import/exports

JavaScript SVG parser and renderer on Canvas.

Tests if ES6 @@toStringTag is supported.

micromark extension to support MDX or MDX JS expressions

Parse front-matter from a string or file. Fast, reliable and easy to use. Parses YAML front matter by default, but also has support for YAML, JSON, TOML or Coffee Front-Matter, with options to set custom delimiters. Used by metalsmith, assemble, verb and

Airbnb's ESLint config with TypeScript support

Isomorphic storage client for Supabase.

A less than 1KB css-in-js solution

ES spec-compliant shim for TypedArray.prototype.slice

Isomorphic Javascript client for Supabase

Adaptation of react-addons-shallow-compare, for independent usage

hast utility to transform to estree (JavaScript AST) JSX

Listen to realtime updates to your PostgreSQL database

A rollup plugin to upload sourcemaps to Honeybadger

`AsyncIterator.prototype`, or a shared object to use.

JavaScript MD5 implementation. Compatible with server-side environments like Node.js, module loaders like RequireJS, Browserify or webpack and all web browsers.

Check if a string is a valid JavaScript expression

React component for inputing currency amounts

CLI for the swc project

Attach comments to estree nodes

Transform JSX in estrees to function calls (for react, preact, and most hyperscript interfaces)

A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.

browser-side require() the node way

Colors of Google's Material Design made available to coders

Create a new object filtered to have only properties for which the callback returns true.

ECMAScript 5 compatibility shims for legacy JavaScript engines

JavaScript Testing utilities for React

Low-Level OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

<div align="center"> <h1>Is this an invitation to a Discord server? ➕</h1> <p> This module checks whether a string is a Discord server invitation. If it is, it fetches information from the API to find out more about the server.

walk an AST, quickly

JavaScript 3D library

get a list of identifiers that are initialised by a JavaScript AST node.

Search always with machs and highlights.

Automatically validate API requests and responses with OpenAPI 3.

An ESnext spec-compliant `Array.prototype.toReversed` shim/polyfill/replacement that works as far down as ES3.

A pure javascript BMP encoder and decoder

Generate a table of contents based on the heading structure of a html document.

Unfancy JavaScript

An ESLint plugin for NestJS, with pedantic rules

[](https://www.npmjs.com/package/yamux-js) [](https://github.com/th-ch/yamux-js) [![GitHub

A prettier plugins to sort imports in provided RegEx order

A search select input component built on top of `@commercetools-uikit/async-select-input` to asynchronously load results (options) using the keyword that the user has entered.

Create and modify PDF files with JavaScript

Get the last or last n elements in an array.

A Jimp-compatible library for working with GIFs

Autocomplete prompt for inquirer

find undeclared identifiers and property accesses in a javascript file.

Broccoli plugin that allows you to filter files selected from an input node down based on regular expressions.

A powerful and lightweight inversion of control container for JavaScript and Node.js apps powered by TypeScript.

Saga middleware for Redux to handle Side Effects

Get all but the last element or last n elements of an array.

Uses babel (babylon) to extract JavaScript code comments from a JavaScript string or file.

Highlight keywords using JavaScript. Intended for every use case. Can e.g. be used to mark text in search results.

A Beautifully Animated Flip Clock

JavaScript Testing utilities for React

JavaScript Testing utilities for React

Client/server side PDF printing in pure JavaScript

A search select field built on top of search select input, allowing users to asynchronously search for options